Hai sir I have small dought why we use Main I and Main II Relays in relay panels for transmission line please clarify my question as soon as possible
@relayprotectionelectrical Жыл бұрын
Main-1 & 2 are the relays used in transmission line protection mainly 400 kV and voltage system. Main-1 & main-2 relays are supplied with separate dc source so that failure of any source or any relay there will be no problem arises in protection system.